qmice Posted July 9, 2021 Share Posted July 9, 2021 Hi all, thanks for the forum and I had enjoyed the path of hac-mac for long. Below is my config: Gigabyte H55M-UD2H | 32GB-DDR3 | R9-270X | SSD - EVO850 I got a working BigSur OS (installed in the SSD-EVO850) and i unplug it from another machine and I move this OS with the attached EFI. I installed with OC-0.6.6 debug version and rebuild this from scratch. I can successfully boot into OS, (dual-monitor with HDMI and DP ports works) but none of my USB ports can detect of anything. Does anyone can give me a hints / advice what did I do wrong ? What I tried: 1). NVRAM with prev-lang:kbd: en-US:0 2). LegacyEnable: True 3). LegacyOverwrite: True 4). Load with the driver: OpenUsbKbDxe.efi EFI-066.zip Link to comment Share on other sites More sharing options...
Rocky12 Posted July 9, 2021 Share Posted July 9, 2021 This solution is USBMap.kext how to do watch the video https://dortania.github.io/OpenCore-Post-Install/usb/manual/manual.html https://github.com/corpnewt/USBMap 2 Link to comment Share on other sites More sharing options...
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